Colchester, Connecticut Water Quality Report
Water quality data for 2 water systems serving 4,244 people.
Water Source
Detected Contaminants
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (12)
4G
Oct 17, 2024
2E
Oct 17, 2024
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Violation
Unknown
Resolved Violations (478)
72
Aug 10, 2025
71
Jul 1, 2025
75
Jun 15, 2025
75
Jun 15, 2025
66
Dec 30, 2024
+ 473 more resolved violations
Frequently Asked Questions
Is Colchester tap water safe to drink?
Colchester's water has 1 contaminant detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Colchester tap water?
2 contaminants have been detected in Colchester's water supply across 2 water systems. See the full contaminant table above for details.
How can I improve my water quality in Colchester?
Install a water filter rated for the specific contaminants found in Colchester's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Colchester have any water quality violations?
Yes, Colchester currently has 12 active violations. See the violations section above for details.